Sphygmomanometer



FIG. 1 is a front, bottom, and right side perspective view of a sphygmomanometer showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the sphygmomanometer that form no part of the claimed design. 

CLAIM The ornamental design for a sphygmomanometer, as shown and described. 